US Bridges

IRR/NM-124 over Rio San Jose

Fair

Cibola County, New Mexico · 1.68 MI E of JCT NM-117 · Structure no. 000000000001776

Built
1937
88 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
93 ft
3 main spans
Daily traffic
356
2023 count
Owner
State
State Highway Agency

About this bridge

IRR/NM-124 over Rio San Jose is a steel stringer/multi-beam or girder carrying IRR/NM-124 over Rio San Jose in Cibola County, New Mexico. It was built in 1937, so it is 88 years old, older than the New Mexico average of 51.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 356 vehicles a day, roughly 11% of them trucks, projected to reach 484 by 2043. The structure is 93 ft (28.3 m) long and 27 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesIRR/NM-124
CrossesRio San Jose
Location1.68 MI E of JCT NM-117
RouteState Highway 124
CountyCibola County
StateNew Mexico
Coordinates35.07171, -107.74861
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50 US tons
Inventory rating29.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length93 ft (28.3 m)
Longest span30 ft (9.1 m)
Deck width27 ft (8.1 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic356 (2023)
Projected traffic484 by 2043
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedDeck replacement with only incidental widening
Estimated improvement cost$501,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was IRR/NM-124 over Rio San Jose built?

It was built in 1937, making it 88 years old in 2025.

What condition is IRR/NM-124 over Rio San Jose in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2023.

How much traffic does IRR/NM-124 over Rio San Jose carry?

About 356 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is IRR/NM-124 over Rio San Jose?

The structure is 93 ft (28.3 m) long with a longest span of 30 ft (9.1 m) and a deck 27 ft wide.

Who owns IRR/NM-124 over Rio San Jose?

It is owned by the State Highway Agency.